Fix: Utility classes should not have public constructors (squid:S1118)

src/se/vidstige/jadb/Stream.java

@@ -7,6 +7,10 @@ import java.io.OutputStream;
 import java.nio.charset.Charset;
 
 public class Stream {
+    private Stream() {
+        throw new IllegalStateException("Utility class");
+    }
+
     public static void copy(InputStream in, OutputStream out) throws IOException {
         byte[] buffer = new byte[1024 * 10];
         int len;

src/se/vidstige/jadb/managers/Bash.java

@@ -1,6 +1,10 @@
 package se.vidstige.jadb.managers;
 
 public class Bash {
+    private Bash() {
+        throw new IllegalStateException("Utility class");
+    }
+
     public static String quote(String s) {
         // Check that s contains no whitespace
         if (s.matches("\\S+")) {